It's a victory against the machines! Real people are retaking control of traffic lights in Seattle, USA, because city chiefs reckon they can do a better job than computers. The signals are programmed to work in certain ways at different times of the day, but bosses think the personal touch will make peak-hour traffic flow more smoothly. Staff watching 37 video screens will over-ride the PCs and switch lights to green whenever queues start to build.
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